From 741bf7064c467df725c14cc0b3b8b50436f9ee09 Mon Sep 17 00:00:00 2001 From: Arkadiusz Hiler Date: Thu, 18 Oct 2018 14:06:42 +0300 Subject: tests: Introduce i915 directory We can already move all the tests with distinct prefixes: gem_, gen3_ and i915_. pm_ and drv_ tests will follow in batches, so we can do the adjustments in the reporting/filtering layer of the CI system. v2: Fix test-list.txt generation with meson v3: Fix docs build (Petri) Cc: Chris Wilson Cc: Petri Latvala Cc: Martin Peres Signed-off-by: Arkadiusz Hiler Reviewed-by: Petri Latvala Tested-by: Petri Latvala Acked-by: Daniel Vetter Acked-by: Chris Wilson --- tests/i915/gem_gtt_speed.c | 510 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 510 insertions(+) create mode 100644 tests/i915/gem_gtt_speed.c (limited to 'tests/i915/gem_gtt_speed.c') diff --git a/tests/i915/gem_gtt_speed.c b/tests/i915/gem_gtt_speed.c new file mode 100644 index 00000000..3d726c4e --- /dev/null +++ b/tests/i915/gem_gtt_speed.c @@ -0,0 +1,510 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Eric Anholt + * Chris Wilson + * + */ + +#include "igt.h" +#include "igt_x86.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" + +#define OBJECT_SIZE 16384 + +static double elapsed(const struct timeval *start, + const struct timeval *end, + int loop) +{ + return (1e6*(end->tv_sec - start->tv_sec) + (end->tv_usec - start->tv_usec))/loop; +} + +#if defined(__x86_64__) && !defined(__clang__) +#pragma GCC push_options +#pragma GCC target("sse4.1") +#include +__attribute__((noinline)) +static void streaming_load(void *src, int len) +{ + __m128i tmp, *s = src; + + igt_assert((len & 15) == 0); + igt_assert((((uintptr_t)src) & 15) == 0); + + while (len >= 16) { + tmp += _mm_stream_load_si128(s++); + len -= 16; + + } + + *(volatile __m128i *)src = tmp; +} +static inline unsigned x86_64_features(void) +{ + return igt_x86_features(); +} +#pragma GCC pop_options +#else +static inline unsigned x86_64_features(void) +{ + return 0; +} +static void streaming_load(void *src, int len) +{ + igt_assert(!"reached"); +} +#endif + +int main(int argc, char **argv) +{ + struct timeval start, end; + uint8_t *buf; + uint32_t handle; + unsigned cpu = x86_64_features(); + int size = OBJECT_SIZE; + int loop, i, tiling; + int fd; + + igt_simple_init(argc, argv); + + igt_skip_on_simulation(); + + if (argc > 1) + size = atoi(argv[1]); + if (size == 0) { + igt_warn("Invalid object size specified\n"); + return 1; + } + + if (cpu) { + char str[1024]; + igt_info("Detected cpu faatures: %s\n", + igt_x86_features_to_string(cpu, str)); + } + + buf = malloc(size); + memset(buf, 0, size); + fd = drm_open_driver(DRIVER_INTEL); + + handle = gem_create(fd, size); + igt_assert(handle); + + for (tiling = I915_TILING_NONE; tiling <= I915_TILING_Y; tiling++) { + if (tiling != I915_TILING_NONE) { + igt_info("\nSetting tiling mode to %s\n", + tiling == I915_TILING_X ? "X" : "Y"); + gem_set_tiling(fd, handle, tiling, 512); + } + + if (tiling == I915_TILING_NONE) { + gem_set_domain(fd, handle, + I915_GEM_DOMAIN_CPU, + I915_GEM_DOMAIN_CPU); + + { + uint32_t *base = gem_mmap__cpu(fd, handle, 0, size, PROT_READ | PROT_WRITE); + volatile uint32_t *ptr = base; + int x = 0; + + for (i = 0; i < size/sizeof(*ptr); i++) + x += ptr[i]; + + /* force overly clever gcc to actually compute x */ + ptr[0] = x; + + munmap(base, size); + + /* mmap read */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + base = gem_mmap__cpu(fd, handle, 0, + size, + PROT_READ | PROT_WRITE); + ptr = base; + x = 0; + + for (i = 0; i < size/sizeof(*ptr); i++) + x += ptr[i]; + + /* force overly clever gcc to actually compute x */ + ptr[0] = x; + + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to read %dk through a CPU map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + { + base = gem_mmap__cpu(fd, handle, 0, + size, + PROT_READ | PROT_WRITE); + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + ptr = base; + x = 0; + + for (i = 0; i < size/sizeof(*ptr); i++) + x += ptr[i]; + + /* force overly clever gcc to actually compute x */ + ptr[0] = x; + + } + gettimeofday(&end, NULL); + munmap(base, size); + igt_info("Time to read %dk through a cached CPU map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + } + + /* mmap write */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + base = gem_mmap__cpu(fd, handle, 0, + size, + PROT_READ | PROT_WRITE); + ptr = base; + + for (i = 0; i < size/sizeof(*ptr); i++) + ptr[i] = i; + + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to write %dk through a CPU map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + base = gem_mmap__cpu(fd, handle, 0, + size, + PROT_READ | PROT_WRITE); + memset(base, 0, size); + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to clear %dk through a CPU map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + gettimeofday(&start, NULL); + base = gem_mmap__cpu(fd, handle, 0, size, + PROT_READ | PROT_WRITE); + for (loop = 0; loop < 1000; loop++) + memset(base, 0, size); + munmap(base, size); + gettimeofday(&end, NULL); + igt_info("Time to clear %dk through a cached CPU map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + } + + /* CPU pwrite */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) + gem_write(fd, handle, 0, buf, size); + gettimeofday(&end, NULL); + igt_info("Time to pwrite %dk through the CPU: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + /* CPU pread */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) + gem_read(fd, handle, 0, buf, size); + gettimeofday(&end, NULL); + igt_info("Time to pread %dk through the CPU: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + } + + /* prefault into gtt */ + { + uint32_t *base = gem_mmap__gtt(fd, handle, size, PROT_READ | PROT_WRITE); + volatile uint32_t *ptr = base; + int x = 0; + + for (i = 0; i < size/sizeof(*ptr); i++) + x += ptr[i]; + + /* force overly clever gcc to actually compute x */ + ptr[0] = x; + + munmap(base, size); + } + /* mmap read */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + uint32_t *base = gem_mmap__gtt(fd, handle, size, PROT_READ | PROT_WRITE); + volatile uint32_t *ptr = base; + int x = 0; + + for (i = 0; i < size/sizeof(*ptr); i++) + x += ptr[i]; + + /* force overly clever gcc to actually compute x */ + ptr[0] = x; + + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to read %dk through a GTT map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + if (gem_mmap__has_wc(fd)) { + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + uint32_t *base = gem_mmap__wc(fd, handle, 0, size, PROT_READ | PROT_WRITE); + volatile uint32_t *ptr = base; + int x = 0; + + for (i = 0; i < size/sizeof(*ptr); i++) + x += ptr[i]; + + /* force overly clever gcc to actually compute x */ + ptr[0] = x; + + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to read %dk through a WC map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + { + uint32_t *base = gem_mmap__wc(fd, handle, 0, size, PROT_READ | PROT_WRITE); + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + volatile uint32_t *ptr = base; + int x = 0; + + for (i = 0; i < size/sizeof(*ptr); i++) + x += ptr[i]; + + /* force overly clever gcc to actually compute x */ + ptr[0] = x; + + } + gettimeofday(&end, NULL); + munmap(base, size); + } + igt_info("Time to read %dk through a cached WC map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + /* Check streaming loads from WC */ + if (cpu & SSE4_1) { + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + uint32_t *base = gem_mmap__wc(fd, handle, 0, size, PROT_READ | PROT_WRITE); + streaming_load(base, size); + + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to stream %dk from a WC map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + { + uint32_t *base = gem_mmap__wc(fd, handle, 0, size, PROT_READ | PROT_WRITE); + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) + streaming_load(base, size); + gettimeofday(&end, NULL); + munmap(base, size); + } + igt_info("Time to stream %dk from a cached WC map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + } + } + + + /* mmap write */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + uint32_t *base = gem_mmap__gtt(fd, handle, size, PROT_READ | PROT_WRITE); + volatile uint32_t *ptr = base; + + for (i = 0; i < size/sizeof(*ptr); i++) + ptr[i] = i; + + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to write %dk through a GTT map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + if (gem_mmap__has_wc(fd)) { + /* mmap write */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + uint32_t *base = gem_mmap__wc(fd, handle, 0, size, PROT_READ | PROT_WRITE); + volatile uint32_t *ptr = base; + + for (i = 0; i < size/sizeof(*ptr); i++) + ptr[i] = i; + + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to write %dk through a WC map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + } + + /* mmap clear */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + uint32_t *base = gem_mmap__gtt(fd, handle, size, PROT_READ | PROT_WRITE); + memset(base, 0, size); + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to clear %dk through a GTT map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + if (gem_mmap__has_wc(fd)) { + /* mmap clear */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + uint32_t *base = gem_mmap__wc(fd, handle, 0, size, PROT_READ | PROT_WRITE); + memset(base, 0, size); + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to clear %dk through a WC map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + } + + gettimeofday(&start, NULL);{ + uint32_t *base = gem_mmap__gtt(fd, handle, size, PROT_READ | PROT_WRITE); + for (loop = 0; loop < 1000; loop++) + memset(base, 0, size); + munmap(base, size); + } gettimeofday(&end, NULL); + igt_info("Time to clear %dk through a cached GTT map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + if (gem_mmap__has_wc(fd)) { + gettimeofday(&start, NULL);{ + uint32_t *base = gem_mmap__wc(fd, handle, 0, size, PROT_READ | PROT_WRITE); + for (loop = 0; loop < 1000; loop++) + memset(base, 0, size); + munmap(base, size); + } gettimeofday(&end, NULL); + igt_info("Time to clear %dk through a cached WC map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + } + + /* mmap read */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + uint32_t *base = gem_mmap__gtt(fd, handle, size, PROT_READ | PROT_WRITE); + volatile uint32_t *ptr = base; + int x = 0; + + for (i = 0; i < size/sizeof(*ptr); i++) + x += ptr[i]; + + /* force overly clever gcc to actually compute x */ + ptr[0] = x; + + munmap(base, size); + } + gettimeofday(&end, NULL); + igt_info("Time to read %dk (again) through a GTT map: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + if (tiling == I915_TILING_NONE) { + /* GTT pwrite */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) + gem_write(fd, handle, 0, buf, size); + gettimeofday(&end, NULL); + igt_info("Time to pwrite %dk through the GTT: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + /* GTT pread */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) + gem_read(fd, handle, 0, buf, size); + gettimeofday(&end, NULL); + igt_info("Time to pread %dk through the GTT: %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + /* GTT pwrite, including clflush */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + gem_write(fd, handle, 0, buf, size); + gem_sync(fd, handle); + } + gettimeofday(&end, NULL); + igt_info("Time to pwrite %dk through the GTT (clflush): %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + /* GTT pread, including clflush */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + gem_sync(fd, handle); + gem_read(fd, handle, 0, buf, size); + } + gettimeofday(&end, NULL); + igt_info("Time to pread %dk through the GTT (clflush): %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + /* partial writes */ + igt_info("Now partial writes.\n"); + size /= 4; + + /* partial GTT pwrite, including clflush */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + gem_write(fd, handle, 0, buf, size); + gem_sync(fd, handle); + } + gettimeofday(&end, NULL); + igt_info("Time to pwrite %dk through the GTT (clflush): %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + /* partial GTT pread, including clflush */ + gettimeofday(&start, NULL); + for (loop = 0; loop < 1000; loop++) { + gem_sync(fd, handle); + gem_read(fd, handle, 0, buf, size); + } + gettimeofday(&end, NULL); + igt_info("Time to pread %dk through the GTT (clflush): %7.3fµs\n", + size/1024, elapsed(&start, &end, loop)); + + size *= 4; + } + } + + gem_close(fd, handle); + close(fd); + + igt_exit(); +} -- cgit v1.2.3